參數(shù)資料
型號(hào)： BQ2083
英文描述： Silicon Bridge Rectifiers
中文描述： 銀紫荊星章符合電量監(jiān)測(cè)計(jì)芯片的使用與BQ29311
文件頁(yè)數(shù)： 33/54頁(yè)
文件大?。?/td> 461K
代理商： BQ2083
SLUS573 JULY 2003
www.ti.com
33
TERMINATE_DISCHARGE_ALARM bit is set when any of the following are true: RM = 0, Voltage( )
≤
Terminate
Voltage
, or the CVUV bit in pack status is set indicating that a Li-Ion cell voltage has dropped below the limit
programmed in
Cell Under Voltage
. The bit is cleared when all of the following are true: Voltage( )
>
Terminate
Voltage
, RM( ) > 0, and the CVUV bit is cleared.
REMAINING_CAPACITY_ALARM bit is set when the bq2083V1P2 detects that RemainingCapacity( ) is less
than that set by the RemainingCapacityAlarm( ) function. This bit is cleared when either the value set by the
RemainingCapacityAlarm( ) function is lower than the RemainingCapacity( ) or when the RemainingCapacity( )
is increased by charging.
REMAINING_TIME_ALARM bit is set when the bq2083V1P2 detects that the estimated remaining time at the
present discharge rate is less than that set by the RemainingTimeAlarm( ) function. This bit is cleared when either
the value set by the RemainingTimeAlarm( ) function is lower than the AverageTimeToEmpty( ) or when the
AverageTimeToEmpty( ) is increased by charging.
Status Bits
The initialized bit is set when the bq2083V1P2 is has detected a valid load of data flash at full or partial reset.
It is cleared when the bq2083V1P2 detects an improper data flash load.
DISCHARGING bit is set when the bq2083V1P2 determines that the battery is not being charged. This bit is
cleared when the bq2083V1P2 detects that the battery is being charged.
FULLY_CHARGED bit is set when the bq2083V1P2 detects a primary charge termination or an Overcharge
condition. It is cleared when RelativeStateOfCharge( ) is less than the programmed
Fully Charged Clear %
in DF
0x47.
FULLY_DISCHARGED bit is set when Voltage( ) or VCELL is less than the EDV2 threshold and Current( ) <
Overload Current
or when RelativeStateOfCharge( ) <
Battery Low %
. This bit is cleared when
RelativeStateOfCharge( ) is greater than or equal to 20%.
Error Codes
ERROR CODES
DESCRIPTION
OK
The bq2083V1P2 processed the function code without detecting any errors.
Busy
The bq2083V1P2 is unable to process the function code at this time.
Reserved
The bq2083V1P2 detected an attempt to read or write to a function code reserved by this version of the specifica-
tion. The bq2083V1P2 detected an attempt to access an unsupported optional manufacturer function code.
Unsupported
AccessDenied
Over/Underflow
BadSize
UnknownError
The bq2083V1P2 does not support this function code which is defined in this version of the specification.
The bq2083V1P2 detected an attempt to write to a read-only function code.
The bq2083V1P2 detected a data overflow or underflow.
The bq2083V1P2 detected an attempt to write to a function code with an incorrect data block.
The bq2083V1P2 detected an unidentifiable error.
CycleCount( )(0x17)
Description:
Returns the number of cycles the battery has experienced. The mAh value of each count is
determined by programming the
Cycle Count Threshold
value in DF 0x37-0x38. The bq2083V1P2 saves the
cycle count value to
Cycle Count
DF 0x0c-0x0d after an update to CycleCount( ).
Purpose:
The CycleCount( ) function provides a means to determine the battery wear. It may be used to give
advance warning that the battery is nearing its end of life.
SMBus protocol:
Read word
Output:
Unsigned integer
count of total charge removed from the battery over its life.
Units:
cycle
Range:
0 to 65,534 cycles; 65,535 indicates battery has experienced 65,535 or more cycles.
Granularity:
1 cycle
Accuracy:
Absolute count
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參數(shù)描述
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BQ2083DBT 功能描述:電池管理 SBS-Cmplnt Gas Gauge for Use w/BQ29311 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ2083DBTG4 功能描述:電池管理 SBS-Cmplnt Gas Gauge for Use w/BQ29311 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ2083DBTR 功能描述:電池管理 SBS-Cmplnt Gas Gauge for Use w/BQ29311 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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